./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:03:17,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:03:17,405 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:03:17,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:03:17,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:03:17,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:03:17,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:03:17,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:03:17,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:03:17,439 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:03:17,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:03:17,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:03:17,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:03:17,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:03:17,441 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:03:17,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:03:17,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:03:17,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:03:17,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:03:17,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:03:17,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:03:17,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:03:17,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:03:17,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:03:17,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:03:17,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:03:17,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:03:17,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:03:17,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:03:17,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:03:17,448 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:03:17,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:03:17,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:03:17,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:17,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:03:17,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:03:17,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:03:17,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:03:17,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:03:17,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:03:17,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:03:17,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:03:17,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:03:17,451 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:17,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:17,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:17,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:17,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:17,663 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:17,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-13 05:03:18,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:18,972 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:18,972 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-13 05:03:18,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4d0bb6b2c/c28e49dea35c49058ec2399dfc5a6993/FLAG4de99a7dc [2024-09-13 05:03:19,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4d0bb6b2c/c28e49dea35c49058ec2399dfc5a6993 [2024-09-13 05:03:19,391 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:03:19,391 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:03:19,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-13 05:03:19,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:03:19,446 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:03:19,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:19,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:03:19,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:03:19,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:19" (1/2) ... [2024-09-13 05:03:19,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d02524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:19, skipping insertion in model container [2024-09-13 05:03:19,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:19" (1/2) ... [2024-09-13 05:03:19,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49b4354f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:19, skipping insertion in model container [2024-09-13 05:03:19,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:19" (2/2) ... [2024-09-13 05:03:19,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d02524 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19, skipping insertion in model container [2024-09-13 05:03:19,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:19" (2/2) ... [2024-09-13 05:03:19,467 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:03:19,467 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-13 05:03:19,467 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-13 05:03:19,467 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-13 05:03:19,468 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-13 05:03:19,468 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-13 05:03:19,468 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-13 05:03:19,468 INFO L1541 ArrayList]: Location invariant before [L72-L105] (((((((((((((((((((((((((((((((((((((((((((((((((((((89 == main__y) && (89 == main__x)) && (\old(__return_720) == __return_720)) || (((53 == main__y) && (53 == main__x)) && (\old(__return_720) == __return_720))) || (((71 == main__y) && (\old(__return_720) == __return_720)) && (71 == main__x))) || (((79 == main__x) && (79 == main__y)) && (\old(__return_720) == __return_720))) || (((88 == main__y) && (\old(__return_720) == __return_720)) && (88 == main__x))) || (((81 == main__y) && (\old(__return_720) == __return_720)) && (81 == main__x))) || (((100 == main__y) && (100 <= main__x)) && (\old(__return_720) == __return_720))) || (((65 == main__y) && (\old(__return_720) == __return_720)) && (65 == main__x))) || (((main__y == 50) && (main__x <= 50)) && (\old(__return_720) == __return_720))) || (((52 == main__y) && (\old(__return_720) == __return_720)) && (52 == main__x))) || (((74 == main__x) && (\old(__return_720) == __return_720)) && (74 == main__y))) || (((64 == main__x) && (64 == main__y)) && (\old(__return_720) == __return_720))) || (((\old(__return_720) == __return_720) && (main__x == 93)) && (main__y == 93))) || (((\old(__return_720) == __return_720) && (main__x == 80)) && (main__y == 80))) || (((main__y == 86) && (\old(__return_720) == __return_720)) && (main__x == 86))) || (((main__x == 96) && (main__y == 96)) && (\old(__return_720) == __return_720))) || (((87 == main__x) && (\old(__return_720) == __return_720)) && (87 == main__y))) || (((90 == main__x) && (\old(__return_720) == __return_720)) && (90 == main__y))) || (((\old(__return_720) == __return_720) && (92 == main__y)) && (92 == main__x))) || (((60 == main__x) && (60 == main__y)) && (\old(__return_720) == __return_720))) || (((63 == main__x) && (63 == main__y)) && (\old(__return_720) == __return_720))) || (((98 == main__x) && (98 == main__y)) && (\old(__return_720) == __return_720))) || (((59 == main__y) && (\old(__return_720) == __return_720)) && (59 == main__x))) || (((72 == main__x) && (72 == main__y)) && (\old(__return_720) == __return_720))) || (((85 == main__y) && (\old(__return_720) == __return_720)) && (85 == main__x))) || (((73 == main__x) && (\old(__return_720) == __return_720)) && (73 == main__y))) || (((97 == main__x) && (\old(__return_720) == __return_720)) && (97 == main__y))) || (((main__x == 83) && (\old(__return_720) == __return_720)) && (main__y == 83))) || (((main__y == 54) && (main__x == 54)) && (\old(__return_720) == __return_720))) || (((91 == main__y) && (91 == main__x)) && (\old(__return_720) == __return_720))) || (((main__x == 61) && (main__y == 61)) && (\old(__return_720) == __return_720))) || (((58 == main__y) && (\old(__return_720) == __return_720)) && (58 == main__x))) || (((69 == main__y) && (\old(__return_720) == __return_720)) && (69 == main__x))) || (((95 == main__y) && (\old(__return_720) == __return_720)) && (95 == main__x))) || (((56 == main__x) && (\old(__return_720) == __return_720)) && (56 == main__y))) || (((55 == main__x) && (\old(__return_720) == __return_720)) && (55 == main__y))) || (((main__x == 75) && (main__y == 75)) && (\old(__return_720) == __return_720))) || (((68 == main__x) && (\old(__return_720) == __return_720)) && (68 == main__y))) || (((\old(__return_720) == __return_720) && (57 == main__x)) && (57 == main__y))) || (((51 == main__y) && (51 == main__x)) && (\old(__return_720) == __return_720))) || (((66 == main__y) && (66 == main__x)) && (\old(__return_720) == __return_720))) || (((main__y == 99) && (main__x == 99)) && (\old(__return_720) == __return_720))) || (((84 == main__x) && (\old(__return_720) == __return_720)) && (84 == main__y))) || (((67 == main__x) && (67 == main__y)) && (\old(__return_720) == __return_720))) || (((62 == main__x) && (62 == main__y)) && (\old(__return_720) == __return_720))) || (((70 == main__x) && (\old(__return_720) == __return_720)) && (70 == main__y))) || (((94 == main__y) && (94 == main__x)) && (\old(__return_720) == __return_720))) || (((76 == main__y) && (76 == main__x)) && (\old(__return_720) == __return_720))) || (((78 == main__y) && (\old(__return_720) == __return_720)) && (78 == main__x))) || (((82 == main__x) && (\old(__return_720) == __return_720)) && (82 == main__y))) || (((\old(__return_720) == __return_720) && (77 == main__x)) && (77 == main__y))) [2024-09-13 05:03:19,468 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-13 05:03:19,470 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-13 05:03:19,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:19,618 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] [2024-09-13 05:03:19,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:19,636 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:03:19,650 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:03:19,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:19,710 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:19,710 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19 WrapperNode [2024-09-13 05:03:19,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:19,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:19,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:19,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:19,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,736 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,756 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:03:19,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:19,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:19,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:19,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:19,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (1/1) ... [2024-09-13 05:03:19,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:19,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:19,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:03:19,812 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:03:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:03:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:03:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:03:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:03:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:03:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:03:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:19,908 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:19,910 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:20,161 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:20,207 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:20,207 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:03:20,208 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:20 BoogieIcfgContainer [2024-09-13 05:03:20,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:20,209 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:20,209 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:20,210 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:20,210 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:19" (1/4) ... [2024-09-13 05:03:20,210 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@187a86ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:20, skipping insertion in model container [2024-09-13 05:03:20,211 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:19" (2/4) ... [2024-09-13 05:03:20,211 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@187a86ad and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:20, skipping insertion in model container [2024-09-13 05:03:20,211 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:19" (3/4) ... [2024-09-13 05:03:20,212 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@187a86ad and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:20, skipping insertion in model container [2024-09-13 05:03:20,212 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:20" (4/4) ... [2024-09-13 05:03:20,213 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-13 05:03:20,216 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:03:20,217 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-13 05:03:20,217 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-13 05:03:20,217 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-13 05:03:20,218 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-13 05:03:20,218 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-13 05:03:20,218 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-13 05:03:20,218 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:03:20,218 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-13 05:03:20,219 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-13 05:03:20,219 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 05:03:20,219 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-13 05:03:20,255 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-13 05:03:20,257 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:20,257 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:20,258 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:20,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:20,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:20,312 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-13 05:03:20,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:20,313 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:20,313 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:20,314 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:20,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:20,347 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:20,368 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-13 05:03:20,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:20,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:20,370 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:20,370 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:20,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:20,418 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-13 05:03:20,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:20,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:20,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:20,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:20,424 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:20,426 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:20,440 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-13 05:03:20,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:20,441 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:20,441 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:20,441 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:20,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:20,460 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-13 05:03:20,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:20,461 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:20,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:20,461 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:20,463 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:20,465 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:20,477 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-13 05:03:20,478 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:20,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:20,478 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:20,478 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:20,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:20,544 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-13 05:03:20,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:20,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:20,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:20,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:20,549 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:20,554 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:20,577 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-13 05:03:20,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:20,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:20,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:20,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:20,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:21,495 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-13 05:03:21,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:21,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:21,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:21,497 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:21,564 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:03:21,573 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-13 05:03:21,573 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:21,573 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:21,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:21,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:21,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:21,623 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-13 05:03:21,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:21,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:21,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:21,624 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:21,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:21,634 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:21,639 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:21,639 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:21,640 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:21,640 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:21,640 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:21,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:21,641 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:03:21,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:21,641 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:21,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:21,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:21,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:21,643 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:21,649 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-13 05:03:21,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:21,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:21,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:21,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:21,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:21,757 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-13 05:03:21,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:21,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:21,760 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:21,760 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:21,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:21,774 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:21,781 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-13 05:03:21,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:21,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:21,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:21,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:21,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:22,924 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-13 05:03:22,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:22,927 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:22,929 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:22,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:22,991 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:03:22,992 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:03:22,998 INFO L158 Benchmark]: Toolchain (without parser) took 3550.91ms. Allocated memory was 178.3MB in the beginning and 490.7MB in the end (delta: 312.5MB). Free memory was 147.9MB in the beginning and 331.0MB in the end (delta: -183.1MB). Peak memory consumption was 326.5MB. Max. memory is 16.1GB. [2024-09-13 05:03:22,998 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:22,999 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 178.3MB. Free memory was 146.4MB in the beginning and 146.4MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:22,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.71ms. Allocated memory is still 178.3MB. Free memory was 147.9MB in the beginning and 131.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:03:23,000 INFO L158 Benchmark]: Boogie Preprocessor took 72.02ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 128.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:03:23,000 INFO L158 Benchmark]: RCFGBuilder took 424.06ms. Allocated memory is still 178.3MB. Free memory was 128.3MB in the beginning and 99.7MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-13 05:03:23,001 INFO L158 Benchmark]: Referee took 2787.48ms. Allocated memory was 178.3MB in the beginning and 490.7MB in the end (delta: 312.5MB). Free memory was 99.7MB in the beginning and 331.0MB in the end (delta: -231.3MB). Peak memory consumption was 278.3MB. Max. memory is 16.1GB. [2024-09-13 05:03:23,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 178.3MB. Free memory was 146.4MB in the beginning and 146.4MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.71ms. Allocated memory is still 178.3MB. Free memory was 147.9MB in the beginning and 131.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.02ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 128.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 424.06ms. Allocated memory is still 178.3MB. Free memory was 128.3MB in the beginning and 99.7MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Referee took 2787.48ms. Allocated memory was 178.3MB in the beginning and 490.7MB in the end (delta: 312.5MB). Free memory was 99.7MB in the beginning and 331.0MB in the end (delta: -231.3MB). Peak memory consumption was 278.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:23,028 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:03:24,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:03:24,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:03:24,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:03:24,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:03:24,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:03:24,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:03:24,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:03:24,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:03:24,851 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:03:24,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:03:24,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:03:24,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:03:24,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:03:24,854 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:03:24,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:03:24,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:03:24,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:03:24,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:03:24,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:03:24,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:03:24,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:03:24,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:03:24,861 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:03:24,861 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:03:24,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:03:24,861 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:03:24,862 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:03:24,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:03:24,862 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:03:24,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:03:24,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:03:24,862 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:03:24,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:03:24,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:03:24,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:24,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:03:24,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:03:24,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:03:24,863 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:03:24,863 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:03:24,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:03:24,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:03:24,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:03:24,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:03:24,865 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:03:24,865 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:25,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:25,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:25,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:25,133 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:03:25,134 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:03:25,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-13 05:03:25,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:25,189 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:25,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-13 05:03:26,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:26,585 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:26,588 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-13 05:03:26,595 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/209c91c33/43b5f017f02d4532be17bb2705c91119/FLAG05f18ea7f [2024-09-13 05:03:26,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/209c91c33/43b5f017f02d4532be17bb2705c91119 [2024-09-13 05:03:26,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:03:26,609 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:03:26,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:26,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:03:26,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:03:26,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:25" (1/2) ... [2024-09-13 05:03:26,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4577c26a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:26, skipping insertion in model container [2024-09-13 05:03:26,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:25" (1/2) ... [2024-09-13 05:03:26,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4387fb17 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:26, skipping insertion in model container [2024-09-13 05:03:26,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:26" (2/2) ... [2024-09-13 05:03:26,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4577c26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26, skipping insertion in model container [2024-09-13 05:03:26,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:26" (2/2) ... [2024-09-13 05:03:26,629 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:03:26,629 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-13 05:03:26,629 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-13 05:03:26,629 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-13 05:03:26,629 INFO L1541 ArrayList]: Location invariant before [L72-L105] (((((((((((((((((((((((((((((((((((((((((((((((((((((89 == main__y) && (89 == main__x)) && (\old(__return_720) == __return_720)) || (((53 == main__y) && (53 == main__x)) && (\old(__return_720) == __return_720))) || (((71 == main__y) && (\old(__return_720) == __return_720)) && (71 == main__x))) || (((79 == main__x) && (79 == main__y)) && (\old(__return_720) == __return_720))) || (((88 == main__y) && (\old(__return_720) == __return_720)) && (88 == main__x))) || (((81 == main__y) && (\old(__return_720) == __return_720)) && (81 == main__x))) || (((100 == main__y) && (100 <= main__x)) && (\old(__return_720) == __return_720))) || (((65 == main__y) && (\old(__return_720) == __return_720)) && (65 == main__x))) || (((main__y == 50) && (main__x <= 50)) && (\old(__return_720) == __return_720))) || (((52 == main__y) && (\old(__return_720) == __return_720)) && (52 == main__x))) || (((74 == main__x) && (\old(__return_720) == __return_720)) && (74 == main__y))) || (((64 == main__x) && (64 == main__y)) && (\old(__return_720) == __return_720))) || (((\old(__return_720) == __return_720) && (main__x == 93)) && (main__y == 93))) || (((\old(__return_720) == __return_720) && (main__x == 80)) && (main__y == 80))) || (((main__y == 86) && (\old(__return_720) == __return_720)) && (main__x == 86))) || (((main__x == 96) && (main__y == 96)) && (\old(__return_720) == __return_720))) || (((87 == main__x) && (\old(__return_720) == __return_720)) && (87 == main__y))) || (((90 == main__x) && (\old(__return_720) == __return_720)) && (90 == main__y))) || (((\old(__return_720) == __return_720) && (92 == main__y)) && (92 == main__x))) || (((60 == main__x) && (60 == main__y)) && (\old(__return_720) == __return_720))) || (((63 == main__x) && (63 == main__y)) && (\old(__return_720) == __return_720))) || (((98 == main__x) && (98 == main__y)) && (\old(__return_720) == __return_720))) || (((59 == main__y) && (\old(__return_720) == __return_720)) && (59 == main__x))) || (((72 == main__x) && (72 == main__y)) && (\old(__return_720) == __return_720))) || (((85 == main__y) && (\old(__return_720) == __return_720)) && (85 == main__x))) || (((73 == main__x) && (\old(__return_720) == __return_720)) && (73 == main__y))) || (((97 == main__x) && (\old(__return_720) == __return_720)) && (97 == main__y))) || (((main__x == 83) && (\old(__return_720) == __return_720)) && (main__y == 83))) || (((main__y == 54) && (main__x == 54)) && (\old(__return_720) == __return_720))) || (((91 == main__y) && (91 == main__x)) && (\old(__return_720) == __return_720))) || (((main__x == 61) && (main__y == 61)) && (\old(__return_720) == __return_720))) || (((58 == main__y) && (\old(__return_720) == __return_720)) && (58 == main__x))) || (((69 == main__y) && (\old(__return_720) == __return_720)) && (69 == main__x))) || (((95 == main__y) && (\old(__return_720) == __return_720)) && (95 == main__x))) || (((56 == main__x) && (\old(__return_720) == __return_720)) && (56 == main__y))) || (((55 == main__x) && (\old(__return_720) == __return_720)) && (55 == main__y))) || (((main__x == 75) && (main__y == 75)) && (\old(__return_720) == __return_720))) || (((68 == main__x) && (\old(__return_720) == __return_720)) && (68 == main__y))) || (((\old(__return_720) == __return_720) && (57 == main__x)) && (57 == main__y))) || (((51 == main__y) && (51 == main__x)) && (\old(__return_720) == __return_720))) || (((66 == main__y) && (66 == main__x)) && (\old(__return_720) == __return_720))) || (((main__y == 99) && (main__x == 99)) && (\old(__return_720) == __return_720))) || (((84 == main__x) && (\old(__return_720) == __return_720)) && (84 == main__y))) || (((67 == main__x) && (67 == main__y)) && (\old(__return_720) == __return_720))) || (((62 == main__x) && (62 == main__y)) && (\old(__return_720) == __return_720))) || (((70 == main__x) && (\old(__return_720) == __return_720)) && (70 == main__y))) || (((94 == main__y) && (94 == main__x)) && (\old(__return_720) == __return_720))) || (((76 == main__y) && (76 == main__x)) && (\old(__return_720) == __return_720))) || (((78 == main__y) && (\old(__return_720) == __return_720)) && (78 == main__x))) || (((82 == main__x) && (\old(__return_720) == __return_720)) && (82 == main__y))) || (((\old(__return_720) == __return_720) && (77 == main__x)) && (77 == main__y))) [2024-09-13 05:03:26,629 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-13 05:03:26,630 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-13 05:03:26,630 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-13 05:03:26,631 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-13 05:03:26,631 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-13 05:03:26,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:26,789 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] [2024-09-13 05:03:26,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:26,816 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:03:26,835 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:03:26,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:26,906 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:26,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26 WrapperNode [2024-09-13 05:03:26,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:26,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:26,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:26,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:26,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,943 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:03:26,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:26,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:26,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:26,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:26,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (1/1) ... [2024-09-13 05:03:26,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:26,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:26,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:03:26,997 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:03:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:03:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:03:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:03:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:03:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:03:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:03:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:27,082 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:27,083 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:27,402 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:27,481 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:27,482 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:03:27,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:27 BoogieIcfgContainer [2024-09-13 05:03:27,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:27,483 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:27,483 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:27,484 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:27,484 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:25" (1/4) ... [2024-09-13 05:03:27,484 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72b0b596 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:27, skipping insertion in model container [2024-09-13 05:03:27,485 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:26" (2/4) ... [2024-09-13 05:03:27,485 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72b0b596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:27, skipping insertion in model container [2024-09-13 05:03:27,485 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:26" (3/4) ... [2024-09-13 05:03:27,485 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72b0b596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:27, skipping insertion in model container [2024-09-13 05:03:27,485 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:27" (4/4) ... [2024-09-13 05:03:27,487 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-13 05:03:27,489 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:03:27,490 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-13 05:03:27,490 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-13 05:03:27,490 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-13 05:03:27,490 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-13 05:03:27,490 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-13 05:03:27,491 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-13 05:03:27,491 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:03:27,491 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-13 05:03:27,491 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-13 05:03:27,492 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 05:03:27,492 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-13 05:03:27,550 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-13 05:03:27,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:27,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:27,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:27,553 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:27,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:27,601 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-13 05:03:27,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:27,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:27,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:27,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:27,607 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:27,621 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:27,649 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-13 05:03:27,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:27,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:27,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:27,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:27,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:27,729 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-13 05:03:27,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:27,730 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:27,730 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:27,730 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:27,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:27,738 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:27,754 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-13 05:03:27,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:27,755 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:27,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:27,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:27,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:27,782 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-13 05:03:27,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:27,783 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:27,783 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:27,783 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:27,788 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:27,792 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:27,812 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-13 05:03:27,813 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:27,813 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:27,813 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:27,813 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:27,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:27,905 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-13 05:03:27,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:27,905 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:27,906 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:27,906 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:27,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:27,916 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:27,938 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-13 05:03:27,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:27,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:27,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:27,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:27,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:29,636 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-13 05:03:29,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:29,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:29,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:29,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:29,707 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:03:29,719 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-13 05:03:29,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:29,720 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:29,720 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:29,720 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:29,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:29,800 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-13 05:03:29,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:29,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:29,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:29,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:29,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:29,828 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:29,836 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:29,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:29,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:29,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:29,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:29,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:29,838 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:03:29,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:29,838 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:29,838 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:29,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:29,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:29,841 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:29,850 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-13 05:03:29,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:29,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:29,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:29,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:29,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:29,971 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-13 05:03:29,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:29,972 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:29,972 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:29,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:29,991 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:29,993 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:30,001 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-13 05:03:30,001 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:30,001 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:30,001 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:30,002 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:30,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:32,117 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-13 05:03:32,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:32,119 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:32,120 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:32,120 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:32,233 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:03:32,234 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:03:32,238 INFO L158 Benchmark]: Toolchain (without parser) took 5628.76ms. Allocated memory was 60.8MB in the beginning and 1.8GB in the end (delta: 1.8GB). Free memory was 32.6MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 566.1MB. Max. memory is 16.1GB. [2024-09-13 05:03:32,238 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 44.0MB. Free memory was 21.0MB in the beginning and 21.0MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:32,239 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 44.0MB. Free memory was 27.2MB in the beginning and 27.2MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:32,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.23ms. Allocated memory is still 60.8MB. Free memory was 32.5MB in the beginning and 31.7MB in the end (delta: 779.2kB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-09-13 05:03:32,240 INFO L158 Benchmark]: Boogie Preprocessor took 65.84ms. Allocated memory is still 60.8MB. Free memory was 31.7MB in the beginning and 28.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:03:32,240 INFO L158 Benchmark]: RCFGBuilder took 509.09ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 39.9MB in the end (delta: -11.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-13 05:03:32,241 INFO L158 Benchmark]: Referee took 4753.56ms. Allocated memory was 75.5MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 39.9MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 558.6MB. Max. memory is 16.1GB. [2024-09-13 05:03:32,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.24ms. Allocated memory is still 44.0MB. Free memory was 21.0MB in the beginning and 21.0MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 44.0MB. Free memory was 27.2MB in the beginning and 27.2MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.23ms. Allocated memory is still 60.8MB. Free memory was 32.5MB in the beginning and 31.7MB in the end (delta: 779.2kB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.84ms. Allocated memory is still 60.8MB. Free memory was 31.7MB in the beginning and 28.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 509.09ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 39.9MB in the end (delta: -11.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Referee took 4753.56ms. Allocated memory was 75.5MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 39.9MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 558.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:32,265 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug